Home / 969,955,690.91-1,338,539,390.54-523,919,052.14

Finding the Fourth Proportional to 969,955,690.91, 1,338,539,390.54 and 523,919,052.14

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Solution

The fourth proportional to 969,955,690.91, 1,338,539,390.54 and 523,919,052.14 is: 723,008,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,955,690.91 : 1,338,539,390.54 = 523,919,052.14 : x
  2. Step 2: Convert to fraction form
    969,955,690.91/1,338,539,390.54 = 523,919,052.14/x
  3. Step 3: Cross multiply
    969,955,690.91x = 1,338,539,390.54 × 523,919,052.14
  4. Step 4: Simplify right side
    969,955,690.91x = 701,286,288,743,769,984
  5. Step 5: Solve for x
    x = 701,286,288,743,769,984/969,955,690.91
  6. Step 6: Final answer
    x = 723,008,582.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.